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Outlook User (RPC over HTTPS) can not change NT 2003 domain password from outlook built-in form.

I have Exchange 2003 front-end with RPC over HTTPS.
External users can send and recieve emails.
I try to change password by Outlook form:  Tools-->Options-->Advance-->Custom Form-->Password
and I got error.

Same form to change password working good if I connect user to VPN.
Should I configure any speacial settings in RPC proxy to enable password changing?

RPC proxy is inside LAN and NOT DMZ so it can access all servers including PDC emulator and GC.

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1 Solution

Here is the detailed how to enabled settings in Exchange server to change the user


"Allowing NT user Password Changes Through OWA".
Jonathan-RavzinAuthor Commented:

I am NOT talking about OWA,
I want to change password from OUTLOOK.
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To change your Windows NT domain password, follow these steps:

1. On the Tools menu, click Options.  
2. In the Options dialog box, click the Other tab.  
3. Click Advanced Options.  
4. Click Custom Forms.  
5. Click Password.  
6. Fill out the appropriate information in the Change Windows NT Password dialog box. Click OK four times to close Options.

Because you are using outlook Over RPC hence it is not possible to change password through outlook
Jonathan-RavzinAuthor Commented:
how can I make it possible ?
                           Based on my research, I found that we can’t change password when we use Outlook to connect to our Exchange server mailbox by using RPC over HTTP. We can use the following methods to do that:

===>Log on through a VPN connection to the network.

====>Log on to the Local Area Network (LAN).

=====>Use the Internet Information Server (IIS) Change Password feature with Outlook Web Access (OWA). For information about how to configure the IIS Change Password feature.

When you use Outlook to connect to your Exchange server mailbox by using RPC over HTTP, you receive messages that continuously prompt you for your network password


Hope this helps

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